What is the maximum amount of diphenhydramine HCl you can take?
Diphenhydramine HCl comes in 25 mg and 50 mg strengths (Benadryl is a common brand). For adults and teens, the diphenhydramine dosage is 25 to 50 mg every 4 to 6 hours. The maximum amount you should take in one day is 300 mg.
Can you take too much diphenhydramine HCl?
09-24-2020 FDA Drug Safety Communication The U.S. Food and Drug Administration (FDA) is warning that taking higher than recommended doses of the common over-the-counter (OTC) allergy medicine diphenhydramine (Benadryl) can lead to serious heart problems, seizures, coma, or even death.
What happens if I take 1000 mg of diphenhydramine?
It is well known that an overdose above 1000 mg of diphenhydramine induces central anticholinergic syndrome. The present case showed delirium, hyperthermia, and tachycardia, which are usually seen in central anticholinergic syndrome.
Can you take 150 mg of diphenhydramine?
Maximum dosage For adults and children over 12 years of age, the maximum is 300 mg each day. For children ages 6 to 12 years, the maximum is 150 mg each day. For adults or children, Benadryl products such as the cream, gel, and spray shouldn’t be applied to the skin more than 4 times per day.
Is 150mg of Benadryl a lot?
It is generally recommended that adults and children over the age of 12 take between 25 milligrams (mg) to 50 mg or one to two capsules of Benadryl per day.
Can I take 2 50mg diphenhydramine?
If you’re taking any other medicine containing diphenhydramine and forget to take a dose, take your medicine when you next need it to ease your symptoms. Never take 2 doses at the same time. Never take an extra dose to make up for a forgotten one.
What happens if you take 150 Benadryl?
Benadryl is not effective as an intoxicant. Taking more than the recommended dose is more likely to lead to an overdose and uncomfortable side effects rather than euphoria. More than 500 mg, which is more than 40 times the recommended dose, may lead to a state of delirium, hallucinations, and other overdose symptoms.
Can I take 150 mg of diphenhydramine at once?
Maximum dosage Oral Benadryl products shouldn’t be taken more than 6 times each day. For adults and children over 12 years of age, the maximum is 300 mg each day. For children ages 6 to 12 years, the maximum is 150 mg each day.